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Error Codes [4220, 4225] Detail Code 110 (Tkmu); Error Codes [4220, 4225] Detail Code 111 (Tkmu) - Mitsubishi Electric PURY-HP72 Service Handbook

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[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
7-6-13

Error Codes [4220, 4225] Detail Code 110 (TKMU)

1. Error code definition
VDC error (Detail code 110)
2. Error definition and error detection method
Bus voltage abnormality If Vdc
3. Cause, check method and remedy
Same as detail code No.108 and 109 of 4220 error
For inverter-related error codes, refer to the following page(s). [8-10 Troubleshooting Inverter Problems (TKMU)](page 288)
7-6-14

Error Codes [4220, 4225] Detail Code 111 (TKMU)

1. Error code definition
Logic error (Detail code 111)
2. Error definition and error detection method
H/W error
If only the H/W error logic circuit operates, and no identifiable error is detected.
3. Cause, Check method and remedy
In the case of 4220
Cause
(1)
External noise
(2)
INV board failure
(3)
IPM failure
(4)
DCCT failure
In the case of 4225
Cause
(1)
External noise
(2)
Fan board failure
For inverter-related error codes, refer to the following page(s). [8-10 Troubleshooting Inverter Problems (TKMU)](page 288)
HWE13080
400V or Vdc
160V is detected. (H/W detection)
Refer to the following page(s). [8-10-2 Checking the Inverter Board Error Detec-
tion Circuit](page 290)
Replace the IPM.
Replace the DCCT.
Refer to the following page(s).
[8-10-7 Checking the Fan Board Error Detection Circuit at No Load](page 291)
[8-10-8 Checking the Fan Inverter for Damage at No Load](page 292)
[8-10-9 Checking the Fan Inverter for Damage with Load](page 293)
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Check method and remedy
Check method and remedy
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